/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.cxf.rs.security.oauth2.filters;
import java.time.Instant;
import java.util.Collections;
import java.util.LinkedList;
import java.util.List;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.MultivaluedMap;
import org.apache.cxf.common.util.StringUtils;
import org.apache.cxf.jaxrs.client.WebClient;
import org.apache.cxf.jaxrs.ext.MessageContext;
import org.apache.cxf.jaxrs.impl.MetadataMap;
import org.apache.cxf.rs.security.oauth2.common.AccessTokenValidation;
import org.apache.cxf.rs.security.oauth2.common.OAuthPermission;
import org.apache.cxf.rs.security.oauth2.common.TokenIntrospection;
import org.apache.cxf.rs.security.oauth2.common.UserSubject;
import org.apache.cxf.rs.security.oauth2.provider.AccessTokenValidator;
import org.apache.cxf.rs.security.oauth2.provider.OAuthServiceException;
import org.apache.cxf.rs.security.oauth2.utils.OAuthConstants;
public class AccessTokenIntrospectionClient implements AccessTokenValidator {
private WebClient tokenValidatorClient;
public List<String> getSupportedAuthorizationSchemes() {
return Collections.singletonList(OAuthConstants.BEARER_AUTHORIZATION_SCHEME);
}
public AccessTokenValidation validateAccessToken(MessageContext mc,
String authScheme,
String authSchemeData,
MultivaluedMap<String, String> extraProps)
throws OAuthServiceException {
WebClient client = WebClient.fromClient(tokenValidatorClient, true);
MultivaluedMap<String, String> props = new MetadataMap<String, String>();
props.putSingle(OAuthConstants.TOKEN_ID, authSchemeData);
try {
TokenIntrospection response = client.post(props, TokenIntrospection.class);
return convertIntrospectionToValidation(response);
} catch (WebApplicationException ex) {
throw new OAuthServiceException(ex);
}
}
private AccessTokenValidation convertIntrospectionToValidation(TokenIntrospection response) {
AccessTokenValidation atv = new AccessTokenValidation();
atv.setInitialValidationSuccessful(response.isActive());
if (response.getClientId() != null) {
atv.setClientId(response.getClientId());
}
if (response.getIat() != null) {
atv.setTokenIssuedAt(response.getIat());
} else {
Instant now = Instant.now();
atv.setTokenIssuedAt(now.toEpochMilli());
}
if (response.getExp() != null) {
atv.setTokenLifetime(response.getExp() - atv.getTokenIssuedAt());
}
if (!StringUtils.isEmpty(response.getAud())) {
atv.setAudiences(response.getAud());
}
if (response.getIss() != null) {
atv.setTokenIssuer(response.getIss());
}
if (response.getScope() != null) {
String[] scopes = response.getScope().split(" ");
List<OAuthPermission> perms = new LinkedList<OAuthPermission>();
for (String s : scopes) {
if (!StringUtils.isEmpty(s)) {
perms.add(new OAuthPermission(s.trim()));
}
}
atv.setTokenScopes(perms);
}
if (response.getUsername() != null) {
atv.setTokenSubject(new UserSubject(response.getUsername()));
}
atv.getExtraProps().putAll(response.getExtensions());
return atv;
}
public void setTokenValidatorClient(WebClient tokenValidatorClient) {
this.tokenValidatorClient = tokenValidatorClient;
}
}